Backup Lamp: Description and Operation

CIRCUIT OPERATION
In the RUN position, the ignition switch connects circuit A2 to circuit A22. The A22 circuit connects from the ignition switch to the fuse block and powers a BUS bar for fuse 8, a 10 amp.

Circuit A2 is protected by a 30 amp fuse located in cavity 12 of the Power Distribution Center (PDC).

Circuit F20, from fuse 8, connects to the back-up lamp switch. When the operator places the vehicle in REVERSE, circuits F20 and L1 are connected. The L1 circuit connects from the switch and supplies voltage to the back-up lamps.

Ground for the lamps is supplied on circuit Z1.